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Affinity Bicycle Co. is celebrating seven years of making bikes (and two world championships) with this special Kissena World Champions track bike. From Affinity:

Affinity is proud to have won 2 World Championship victories in both the match sprints and scratch race. Plus, with over 20 US National and European championships, the Kissena is the most celebrated and trusted aluminum track frame in the industry. We’ve custom designed our exclusive track frame with gold foil rainbow striped graphics, indigo sparkle blue paint and a CNC machined head tube. Only 40 World Champion frames are available, they can be purchased along with the new Affinity World Championship Jersey through the Affinity website as well as select retailers.

Sprint down for more pics of the bike and the jersey…

Only 40 of the frames will be made, and if you order by March 4, 2014, you’ll get the sweet matching jersey shown at the bottom.

Retail is $800 for the frame, and it’s available in four sizes.

They’re also offering complete bike builds by request, but you’ve gotta contact them for details.

Having fun.
Training.
Perfecting your pedal stroke.
Racing traffic in the urban sprawl.
savoring the connection that only a fixed drivetrain can allow you to achieve.
Racing fixie crits on city streets.
Commuting.
Having a Olympic level race bike at a fraction of the cost of a geared one.
Messengering.
Trying to break your cadence PR.

On the top tube the weld as it meet the head tube the weld appears to be onto the area that holds the bearing, the cup area for lack of a better word. Is this a good idea, I have seen this cause failure on frames in the past?

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